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Netdata vs SigNoz vs OpenObserve: self-hosted observability for indie projects

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I've been building out the ossfind.com OSS alternatives directory, and observability tools come up constantly as a category where the SaaS-to-OSS migration question is genuinely interesting. Datadog is the canonical expensive monitoring platform; replacing it with open source isn't a simple one-for-one swap. I spent time researching three projects that together — or individually — cover a meaningful slice of what Datadog does. These aren't toy tools. All three have serious GitHub star counts and production deployments.

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Netdata vs SigNoz vs OpenObserve: self-hosted observability for indie projects · ShortSingh